Re: [gdal-dev] Re: Strange behavior of gdalwarp with -overwrite option

2011-11-08 Thread Alexander Bruy
Hi, 2011/11/8 Even Rouault : > And you spend half and hour understanding why it has not been reprojected in > EPSG:. The default behaviour being that once the target dataset exists, it > is only updated, but not modified in depth. > > gdalwarp something.tif something.tif -t_srs EPSG: makes

RE: [gdal-dev] Kakadu Jpeg2000 driver

2011-11-08 Thread Livneh Yehiyam
Tamas, Did you have a chance to check this problem? If so do you consider this a bug, or am I using it wrong? Thanks Yehiyam From: Livneh Yehiyam Sent: Sunday, November 06, 2011 11:25 AM To: 'Tamas Szekeres' Cc: gdal-dev Subject: RE: [gdal-dev] Kakadu Jpeg2000 driver Hi Tamas To replicate you

Re: [gdal-dev] Aster tif files to hgt

2011-11-08 Thread Jaromír Mikeš
> Od: Scott Arko Hello Scott, > The error you are getting is because for the SRTM height format you need to > have very specific coordinates for the tiles. I'm not sure I can exactly > explain why this is, but you need to have 1201x1201 for the 1 degree tiles. > Also, you need to use the -proj

Re: [gdal-dev] Optimisation of ECW files

2011-11-08 Thread Yves Jacolin (free)
Le mardi 8 novembre 2011 20:36:06, Even Rouault a écrit : > Le mardi 08 novembre 2011 11:40:33, Yves Jacolin a écrit : > > Hello, > > > > I have an issue with one of my project which need some frequent update > > and I need some advice. > > > > We have a dataset of small ECW files (5 300 files fr

Re: [gdal-dev] Optimisation of ECW files

2011-11-08 Thread Yves Jacolin (free)
Hello, Le mardi 8 novembre 2011 20:49:33, Frank Warmerdam a écrit : > On Tue, Nov 8, 2011 at 2:40 AM, Yves Jacolin wrote: > > Here is my issues after merging all the tiles: > > * we lose extent in the final ECW file > > Yves, > > You don't mention how you are merging the files, but generally sp

Re: [gdal-dev] Optimisation of ECW files

2011-11-08 Thread Frank Warmerdam
On Tue, Nov 8, 2011 at 2:40 AM, Yves Jacolin wrote: > Here is my issues after merging all the tiles: > * we lose extent in the final ECW file Yves, You don't mention how you are merging the files, but generally speaking GDAL should be able to capture the extents and coordinate system when writin

Re: [gdal-dev] Optimisation of ECW files

2011-11-08 Thread Even Rouault
Le mardi 08 novembre 2011 11:40:33, Yves Jacolin a écrit : > Hello, > > I have an issue with one of my project which need some frequent update and > I need some advice. > > We have a dataset of small ECW files (5 300 files from 30 to 300 ko). This > is not the way I want to manage my data to get

Re: [gdal-dev] Re: Strange behavior of gdalwarp with -overwrite option

2011-11-08 Thread Even Rouault
Le mardi 08 novembre 2011 19:18:19, Jukka Rahkonen a écrit : > Alexander Bruy gmail.com> writes: > > Hi all, > > > > in gdalwarp documentation [0] listed option "-overwrite" with next > > description: > > > > -overwrite: > > (GDAL >= 1.8.0) Overwrite the target dataset if it already exists.

[gdal-dev] Re: Strange behavior of gdalwarp with -overwrite option

2011-11-08 Thread Jukka Rahkonen
Alexander Bruy gmail.com> writes: > > Hi all, > > in gdalwarp documentation [0] listed option "-overwrite" with next > description: > -overwrite: > (GDAL >= 1.8.0) Overwrite the target dataset if it already exists. > > But when I try to reproject image using next command > > gdalwarp -t_

[gdal-dev] Strange behavior of gdalwarp with -overwrite option

2011-11-08 Thread Alexander Bruy
Hi all, in gdalwarp documentation [0] listed option "-overwrite" with next description: -overwrite: (GDAL >= 1.8.0) Overwrite the target dataset if it already exists. But when I try to reproject image using next command gdalwarp -t_srs EPSG:4326 -overwrite mosaic.tif mosaic.tif i get next e

Re: [gdal-dev] Aster tif files to hgt

2011-11-08 Thread Scott Arko
Hello Mira, The error you are getting is because for the SRTM height format you need to have very specific coordinates for the tiles. I'm not sure I can exactly explain why this is, but you need to have 1201x1201 for the 1 degree tiles. Also, you need to use the -projwin option to have the corn

[gdal-dev] Optimisation of ECW files

2011-11-08 Thread Yves Jacolin
Hello, I have an issue with one of my project which need some frequent update and I need some advice. We have a dataset of small ECW files (5 300 files from 30 to 300 ko). This is not the way I want to manage my data to get good performance with MapServer. Too much file, too smal. All this ti